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52159364985 = 35713251152239
BaseRepresentation
bin110000100100111100…
…001011111101111001
311222122002001021111210
4300210330023331321
51323310244134420
635543420113333
73524362200330
oct604474137571
9158562037453
1052159364985
1120136668a12
12a138095849
134bc32447a0
14274b430d17
1515542369e0
hexc24f0bf79

52159364985 has 64 divisors (see below), whose sum is σ = 103123722240. Its totient is φ = 21922272000.

The previous prime is 52159364923. The next prime is 52159364987. The reversal of 52159364985 is 58946395125.

It is a happy number.

It is not a de Polignac number, because 52159364985 - 27 = 52159364857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52159364987) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 266496 + ... + 418734.

It is an arithmetic number, because the mean of its divisors is an integer number (1611308160).

Almost surely, 252159364985 is an apocalyptic number.

It is an amenable number.

52159364985 is a deficient number, since it is larger than the sum of its proper divisors (50964357255).

52159364985 is a wasteful number, since it uses less digits than its factorization.

52159364985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152518.

The product of its digits is 11664000, while the sum is 57.

The spelling of 52159364985 in words is "fifty-two billion, one hundred fifty-nine million, three hundred sixty-four thousand, nine hundred eighty-five".

Divisors: 1 3 5 7 13 15 21 35 39 65 91 105 195 251 273 455 753 1255 1365 1757 3263 3765 5271 8785 9789 16315 22841 26355 48945 68523 114205 152239 342615 456717 761195 1065673 1979107 2283585 3197019 5328365 5937321 9895535 13853749 15985095 29686605 38211989 41561247 69268745 114635967 191059945 207806235 267483923 496755857 573179835 802451769 1337419615 1490267571 2483779285 3477290999 4012258845 7451337855 10431872997 17386454995 52159364985